UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): March 30, 2007

SONTRA MEDICAL CORPORATION

(Exact name of registrant as specified in its charter)

Minnesota	000-23017	41-1649949
(State or other jurisdiction of incorporation)	(Commission File No.)	(IRS Employer Identification No.)

10 Forge Parkway

Franklin, Massachusetts 02038

(Address of principal executive offices) (Zip Code)

(508) 553-8850

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item  2.02 Results of Operations and Financial Condition.

On March 30, 2007, Sontra Medical Corporation (the “Registrant”) issued a press release regarding its financial results for its fiscal fourth quarter and fiscal year ended December 31, 2006. A copy of the press release issued by the Registrant is furnished herewith as Exhibit 99.1 and is incorporated herein by reference.

The information contained herein and in the accompanying exhibit shall not be incorporated by reference into any filing of the Registrant, whether made before or after the date hereof, regardless of any general incorporation language in such filing, unless expressly incorporated by specific reference to such filing. The information in this report, including the exhibit hereto, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended.

Item  9.01 Financial Statements and Exhibits.

(d) Exhibits

The following exhibit is furnished with this Form 8-K:

99.1Press Release of the Registrant, dated March 30, 2007.

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	SONTRA MEDICAL CORPORATION
Date: March 30, 2007	By:	/s/ Harry G. Mitchell
		Harry G. Mitchell Interim Chief Executive Officer, Chief Financial Officer and Treasurer

EXHIBIT INDEX

Exhibit No.	Description
99.1	Press Release of the Registrant, dated March 30, 2007.